first commit

public/typo3conf/ext/femanager/Classes/Utility/BackendUserUtility.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+namespace In2code\Femanager\Utility;
+
+use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
+
+/**
+ * Class BackendUserUtility
+ */
+class BackendUserUtility extends AbstractUtility
+{
+    /**
+     * @return bool
+     */
+    public static function isAdminAuthentication()
+    {
+        $userAuthentication = self::getBackendUserAuthentication();
+
+        if ($userAuthentication->user['admin'] === 1) {
+            return true;
+        }
+
+        $tsConfigEnableLoginAs = (int)($userAuthentication->getTSConfig()['tx_femanager.']['UserBackend.']['enableLoginAs'] ?? 0);
+
+        return $tsConfigEnableLoginAs === 1;
+    }
+
+    /**
+     * @return BackendUserAuthentication
+     */
+    public static function getBackendUserAuthentication()
+    {
+        return parent::getBackendUserAuthentication();
+    }
+}